12103212301 has 4 divisors (see below), whose sum is σ = 12256417600. Its totient is φ = 11950007004.

The previous prime is 12103212157. The next prime is 12103212323. The reversal of 12103212301 is 10321230121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10321230121 = 241 ⋅42826681.

It is a cyclic number.

It is not a de Polignac number, because 12103212301 - 2⁹ = 12103211789 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103212391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76602531 + ... + 76602688.

It is an arithmetic number, because the mean of its divisors is an integer number (3064104400).

Almost surely, 2^12103212301 is an apocalyptic number.

It is an amenable number.

12103212301 is a deficient number, since it is larger than the sum of its proper divisors (153205299).

12103212301 is an equidigital number, since it uses as much as digits as its factorization.

12103212301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153205298.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12103212301 its reverse (10321230121), we get a palindrome (22424442422).

The spelling of 12103212301 in words is "twelve billion, one hundred three million, two hundred twelve thousand, three hundred one".